From: Dong Aisheng <aisheng.dong@xxxxxxx> Sent: Tuesday, May 09, 2017 3:51 PM >To: linux-serial@xxxxxxxxxxxxxxx >Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; >gregkh@xxxxxxxxxxxxxxxxxxx; jslaby@xxxxxxxx; Andy Duan ><fugang.duan@xxxxxxx>; stefan@xxxxxxxx; Mingkai Hu ><mingkai.hu@xxxxxxx>; Y.B. Lu <yangbo.lu@xxxxxxx>; A.S. Dong ><aisheng.dong@xxxxxxx> >Subject: [PATCH 0/6] tty: serial: lpuart: add imx7ulp support > >This patch series mainly intends to add imx7ulp support which is also using FSL >lpuart. > >The lpuart in imx7ulp is basically the same as ls1021a. It's also >32 bit width register, but unlike ls1021a, it's little endian. >Besides that, imx7ulp lpuart has a minor different register layout from ls1021a >that it has four extra registers (verid, param, global, >pincfg) located at the beginning of register map, which are currently not used >by the driver and less to be used later. > >Furthermore, this patch serial also add a new more accurate baud rate >calculation method as MX7ULP can't divide a suitable baud rate with the >default setting. > >Currently the new baud rate calculation is only enabled on MX7ULP. >However, i guess the Layerscape may also be able to use it as there seems to >be no difference in baud rate setting register after checking the Layerscape >Reference Manual. > >As i don't have Layerscape boards, i can't test it, so i only enable it for MX7ULP >by default to avoid a potential break. > >I copied LayerScape guys in this series and hope they can help test later. >If it works on Layerscape as well, then they can switch to the new setting too >and totally remove the old stuff. > >Dong Aisheng (6): > tty: serial: lpuart: introduce lpuart_soc_data to represent SoC > property > tty: serial: lpuart: add little endian 32 bit register support > dt-bindings: serial: fsl-lpuart: add i.MX7ULP support > tty: serial: lpuart: add imx7ulp support > tty: serial: lpuart: add earlycon support for imx7ulp > tty: serial: lpuart: add a more accurate baud rate calculation method > > .../devicetree/bindings/serial/fsl-lpuart.txt | 2 + > drivers/tty/serial/fsl_lpuart.c | 149 ++++++++++++++++++--- > 2 files changed, 136 insertions(+), 15 deletions(-) > >-- >2.7.4 The series looks fine. Acked-by: Fugang Duan <fugang.duan@xxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
